Finding the Fourth Proportional to 3,397,219.68, 5,090,230.80 and 1,973,278.56
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Solution
The fourth proportional to 3,397,219.68, 5,090,230.80 and 1,973,278.56 is: 2,956,665.82
Step by Step Solution
- Step 1: Write the proportion equation
3,397,219.68 : 5,090,230.80 = 1,973,278.56 : x - Step 2: Convert to fraction form
3,397,219.68/5,090,230.80 = 1,973,278.56/x - Step 3: Cross multiply
3,397,219.68x = 5,090,230.80 × 1,973,278.56 - Step 4: Simplify right side
3,397,219.68x = 10,044,443,303,091.65 - Step 5: Solve for x
x = 10,044,443,303,091.65/3,397,219.68 - Step 6: Final answer
x = 2,956,665.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.